source: anuga_work/production/perth/Arc_asc2raster_GDA94z50.py @ 6391

Last change on this file since 6391 was 6391, checked in by kristy, 15 years ago
File size: 4.2 KB
Line 
1# ---------------------------------------------------------------------------
2# This python script is an ArcGIS script that can only be run on a computer
3# with and ArcGIS licence and version 2.4.1 python.
4# This script is designed to read in .asc files and deliever rasters with
5# projection (GDA94z50) held in a file geodatabase (called raster)
6# written by Kristy Van Putten and Ross Wilson
7# ---------------------------------------------------------------------------
8
9# Import system modules
10import sys, string, os, arcgisscripting, glob, os.path
11
12# Create the Geoprocessor object
13gp = arcgisscripting.create()
14
15# Check out any necessary licenses
16gp.CheckOutExtension("spatial")
17
18# Load required toolboxes...
19gp.AddToolbox("C:/Program Files/ArcGIS/ArcToolbox/Toolboxes/Spatial Analyst Tools.tbx")
20gp.AddToolbox("C:/Program Files/ArcGIS/ArcToolbox/Toolboxes/Conversion Tools.tbx")
21gp.AddToolbox("C:/Program Files/ArcGIS/ArcToolbox/Toolboxes/Data Management Tools.tbx")
22gp.overwriteoutput = 1
23
24scenario_dir="\\\\nas2\\gemd\\georisk_models\\inundation\\data\\western_australia\\perth_tsunami_scenario\\"
25output_dir = "anuga\\outputs\\"
26
27##time_dir1 = '20081209_155431_run_final_0_27255_250m_none_lfountai'
28##time_dir2 = '20081210_100528_run_final_0_68693_250m_none_kvanputt'
29##time_dirs = [time_dir1, time_dir2]
30time_dir1 = '20090129_155526_run_final_0.6_27255_Rottnest_kvanputt'
31##time_dir1 = '20081031_133353_run_final_0.6_68693_alpha0.1_kvanputt'
32##time_dir2 = '20081031_133511_run_final_0_68693_alpha0.1_kvanputt'
33##time_dir3 = '20081031_133624_run_final_0_27255_alpha0.1_kvanputt'
34##time_dir4 = '20081031_133735_run_final_0.6_27255_alpha0.1_kvanputt'
35##time_dir5 = '20081031_133841_run_final_0_27283_alpha0.1_kvanputt'
36##time_dir6 = '20081031_133925_run_final_0.6_27283_alpha0.1_kvanputt'
37
38
39time_dirs = [time_dir1] #3, time_dir4] #, time_dir3, time_dir4, time_dir5, time_dir6]
40
41for time_dir in time_dirs:
42
43    # Local variables...
44    folder =  scenario_dir + output_dir + time_dir + '\\'
45    raster_gbd = folder + 'raster.gdb'
46    contour = raster_gbd + '\\contour_dep'
47    land = scenario_dir + "map_work\\Perth.gdb\\Outlines\\initial_conditions_rottnest"
48    ocean = scenario_dir + "map_work\\Perth.gdb\\Outlines\\initial_conditions_ocean1"
49   
50    print 'Process: Create File GDB'
51    gp.CreateFileGDB_management(folder, "raster")
52
53    gp.Workspace = raster_gbd
54
55    #print gp.Workspace
56   
57    #replication dictionary
58    replicate = (('perth', ''),('time_39900_0', 'b'), ('time_79800_0', 'c'),
59                 ('_', ''),('Geordie', 'Geo'),('Sorrento', 'Sor'), ('max','M_'),
60                 ('Fremantle', 'Fre'),('Rockingham', 'Roc'),('depth','_dep_'),
61                 ('speed', '_spe_'), ('elevation', '_ele_'), ('stage','_stage'))
62
63    generate_filename = []
64    input_ascii = glob.glob(folder + '*.asc')
65    print time_dir
66
67    for infile in input_ascii:
68        output_DEM = os.path.basename(infile)[:-4]
69        for (key, rep) in replicate:
70            output_DEM = output_DEM.replace(key,rep)
71        output_DEM = output_DEM[:10]
72        if output_DEM in generate_filename:
73            print 'Output_DEM filename (%s) already in use' % output_DEM
74            sys.exit(10)
75        generate_filename.append(output_DEM)
76        print 'Output DEM ',output_DEM
77       
78        print 'Process: ASCII to Raster'
79        gp.ASCIIToRaster_conversion(infile, output_DEM, "FLOAT")
80
81        print 'Process: Define Projection' 
82        gp.DefineProjection_management(output_DEM, "PROJCS['GDA_1994_MGA_Zone_50',GEOGCS['GCS_GDA_1994',DATUM['D_GDA_1994',SPHEROID['GRS_1980',6378137.0,298.257222101]],PRIMEM['Greenwich',0.0],UNIT['Degree',0.0174532925199433]]"
83                                                   ",PROJECTION['Transverse_Mercator'],PARAMETER['False_Easting',500000.0],PARAMETER['False_Northing',10000000.0],PARAMETER['Central_Meridian',117.0],PARAMETER['Scale_Factor',0.9996]"
84                                                   ",PARAMETER['Latitude_Of_Origin',0.0],UNIT['Meter',1.0]]")
85
86   
87##        output_extract = output_DEM + 'E'
88##        print 'Output Extract ',output_extract
89##   
90##        print 'Process: Extract by Mask'
91##        gp.ExtractByMask_sa(output_DEM, land, output_extract)
92##
93##       
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